/*
    This file is part of the WebKit open source project.
    This file has been generated by generate-bindings.pl. DO NOT MODIFY!

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include "config.h"
#include "JSMessagePort.h"

#include "ActiveDOMObject.h"
#include "EventNames.h"
#include "ExtendedDOMClientIsoSubspaces.h"
#include "ExtendedDOMIsoSubspaces.h"
#include "IDLTypes.h"
#include "JSDOMAttribute.h"
#include "JSDOMBinding.h"
#include "JSDOMConstructorNotConstructable.h"
#include "JSDOMConvertAny.h"
#include "JSDOMConvertBase.h"
#include "JSDOMConvertDictionary.h"
#include "JSDOMConvertObject.h"
#include "JSDOMConvertSequences.h"
#include "JSDOMExceptionHandling.h"
#include "JSDOMGlobalObjectInlines.h"
#include "JSDOMOperation.h"
#include "JSDOMWrapperCache.h"
#include "JSEventListener.h"
#include "JSStructuredSerializeOptions.h"
#include "ScriptExecutionContext.h"
#include "WebCoreJSClientData.h"
// #include "WebCoreOpaqueRootInlines.h"
#include <JavaScriptCore/HeapAnalyzer.h>
#include <JavaScriptCore/IteratorOperations.h>
#include <JavaScriptCore/JSArray.h>
#include <JavaScriptCore/JSCInlines.h>
#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
#include <JavaScriptCore/SlotVisitorMacros.h>
#include <JavaScriptCore/SubspaceInlines.h>
#include <wtf/GetPtr.h>
#include <wtf/PointerPreparations.h>
#include <wtf/URL.h>

namespace WebCore {
using namespace JSC;

// Functions

static JSC_DECLARE_HOST_FUNCTION(jsMessagePortPrototypeFunction_postMessage);
static JSC_DECLARE_HOST_FUNCTION(jsMessagePortPrototypeFunction_start);
static JSC_DECLARE_HOST_FUNCTION(jsMessagePortPrototypeFunction_close);
static JSC_DECLARE_HOST_FUNCTION(jsMessagePortPrototypeFunction_ref);
static JSC_DECLARE_HOST_FUNCTION(jsMessagePortPrototypeFunction_unref);
static JSC_DECLARE_HOST_FUNCTION(jsMessagePortPrototypeFunction_hasRef);

// Attributes

static JSC_DECLARE_CUSTOM_GETTER(jsMessagePortConstructor);
static JSC_DECLARE_CUSTOM_GETTER(jsMessagePort_onmessage);
static JSC_DECLARE_CUSTOM_SETTER(setJSMessagePort_onmessage);
static JSC_DECLARE_CUSTOM_GETTER(jsMessagePort_onmessageerror);
static JSC_DECLARE_CUSTOM_SETTER(setJSMessagePort_onmessageerror);

class JSMessagePortPrototype final : public JSC::JSNonFinalObject {
public:
    using Base = JSC::JSNonFinalObject;
    static JSMessagePortPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
    {
        JSMessagePortPrototype* ptr = new (NotNull, JSC::allocateCell<JSMessagePortPrototype>(vm)) JSMessagePortPrototype(vm, globalObject, structure);
        ptr->finishCreation(vm);
        return ptr;
    }

    DECLARE_INFO;
    template<typename CellType, JSC::SubspaceAccess>
    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
    {
        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSMessagePortPrototype, Base);
        return &vm.plainObjectSpace();
    }
    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
    {
        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
    }

private:
    JSMessagePortPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
        : JSC::JSNonFinalObject(vm, structure)
    {
    }

    void finishCreation(JSC::VM&);
};
STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSMessagePortPrototype, JSMessagePortPrototype::Base);

using JSMessagePortDOMConstructor = JSDOMConstructorNotConstructable<JSMessagePort>;

template<> const ClassInfo JSMessagePortDOMConstructor::s_info = { "MessagePort"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessagePortDOMConstructor) };

template<> JSValue JSMessagePortDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
{
    return JSEventTarget::getConstructor(vm, &globalObject);
}

template<> void JSMessagePortDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
{
    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
    JSString* nameString = jsNontrivialString(vm, "MessagePort"_s);
    m_originalName.set(vm, this, nameString);
    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
    putDirect(vm, vm.propertyNames->prototype, JSMessagePort::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
}

/* Hash table for prototype */

static const HashTableValue JSMessagePortPrototypeTableValues[] = {
    { "constructor"_s, static_cast<unsigned>(PropertyAttribute::DontEnum), NoIntrinsic, { HashTableValue::GetterSetterType, jsMessagePortConstructor, 0 } },
    { "onmessage"_s, JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute, NoIntrinsic, { HashTableValue::GetterSetterType, jsMessagePort_onmessage, setJSMessagePort_onmessage } },
    { "onmessageerror"_s, JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute, NoIntrinsic, { HashTableValue::GetterSetterType, jsMessagePort_onmessageerror, setJSMessagePort_onmessageerror } },
    { "postMessage"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { HashTableValue::NativeFunctionType, jsMessagePortPrototypeFunction_postMessage, 1 } },
    { "start"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { HashTableValue::NativeFunctionType, jsMessagePortPrototypeFunction_start, 0 } },
    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { HashTableValue::NativeFunctionType, jsMessagePortPrototypeFunction_close, 0 } },
    { "ref"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { HashTableValue::NativeFunctionType, jsMessagePortPrototypeFunction_ref, 0 } },
    { "unref"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { HashTableValue::NativeFunctionType, jsMessagePortPrototypeFunction_unref, 0 } },
    { "hasRef"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { HashTableValue::NativeFunctionType, jsMessagePortPrototypeFunction_hasRef, 0 } },
};

const ClassInfo JSMessagePortPrototype::s_info = { "MessagePort"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessagePortPrototype) };

void JSMessagePortPrototype::finishCreation(VM& vm)
{
    Base::finishCreation(vm);
    reifyStaticProperties(vm, JSMessagePort::info(), JSMessagePortPrototypeTableValues, *this);
    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
}

const ClassInfo JSMessagePort::s_info = { "MessagePort"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessagePort) };

JSMessagePort::JSMessagePort(Structure* structure, JSDOMGlobalObject& globalObject, Ref<MessagePort>&& impl)
    : JSEventTarget(structure, globalObject, WTFMove(impl))
{
}

// static_assert(std::is_base_of<ActiveDOMObject, MessagePort>::value, "Interface is marked as [ActiveDOMObject] but implementation class does not subclass ActiveDOMObject.");

JSObject* JSMessagePort::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
{
    auto* structure = JSMessagePortPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject));
    structure->setMayBePrototype(true);
    return JSMessagePortPrototype::create(vm, &globalObject, structure);
}

JSObject* JSMessagePort::prototype(VM& vm, JSDOMGlobalObject& globalObject)
{
    return getDOMPrototype<JSMessagePort>(vm, globalObject);
}

JSValue JSMessagePort::getConstructor(VM& vm, const JSGlobalObject* globalObject)
{
    return getDOMConstructor<JSMessagePortDOMConstructor, DOMConstructorID::MessagePort>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
}

JSC_DEFINE_CUSTOM_GETTER(jsMessagePortConstructor, (JSGlobalObject * lexicalGlobalObject, JSC::EncodedJSValue thisValue, PropertyName))
{
    VM& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    auto* prototype = jsDynamicCast<JSMessagePortPrototype*>(JSValue::decode(thisValue));
    if (UNLIKELY(!prototype))
        return throwVMTypeError(lexicalGlobalObject, throwScope);
    return JSValue::encode(JSMessagePort::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
}

static inline JSValue jsMessagePort_onmessageGetter(JSGlobalObject& lexicalGlobalObject, JSMessagePort& thisObject)
{
    UNUSED_PARAM(lexicalGlobalObject);
    return eventHandlerAttribute(thisObject.wrapped(), eventNames().messageEvent, worldForDOMObject(thisObject));
}

JSC_DEFINE_CUSTOM_GETTER(jsMessagePort_onmessage, (JSGlobalObject * lexicalGlobalObject, JSC::EncodedJSValue thisValue, PropertyName attributeName))
{
    return IDLAttribute<JSMessagePort>::get<jsMessagePort_onmessageGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
}

static inline bool setJSMessagePort_onmessageSetter(JSGlobalObject& lexicalGlobalObject, JSMessagePort& thisObject, JSValue value)
{
    auto& vm = JSC::getVM(&lexicalGlobalObject);
    UNUSED_PARAM(vm);
    setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().messageEvent, value, thisObject);
    vm.writeBarrier(&thisObject, value);
    ensureStillAliveHere(value);

    thisObject.wrapped().jsRef(&lexicalGlobalObject);

    return true;
}

JSC_DEFINE_CUSTOM_SETTER(setJSMessagePort_onmessage, (JSGlobalObject * lexicalGlobalObject, JSC::EncodedJSValue thisValue, JSC::EncodedJSValue encodedValue, PropertyName attributeName))
{
    return IDLAttribute<JSMessagePort>::set<setJSMessagePort_onmessageSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
}

static inline JSValue jsMessagePort_onmessageerrorGetter(JSGlobalObject& lexicalGlobalObject, JSMessagePort& thisObject)
{
    UNUSED_PARAM(lexicalGlobalObject);
    return eventHandlerAttribute(thisObject.wrapped(), eventNames().messageerrorEvent, worldForDOMObject(thisObject));
}

JSC_DEFINE_CUSTOM_GETTER(jsMessagePort_onmessageerror, (JSGlobalObject * lexicalGlobalObject, JSC::EncodedJSValue thisValue, PropertyName attributeName))
{
    return IDLAttribute<JSMessagePort>::get<jsMessagePort_onmessageerrorGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
}

static inline bool setJSMessagePort_onmessageerrorSetter(JSGlobalObject& lexicalGlobalObject, JSMessagePort& thisObject, JSValue value)
{
    auto& vm = JSC::getVM(&lexicalGlobalObject);
    UNUSED_PARAM(vm);
    setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().messageerrorEvent, value, thisObject);
    vm.writeBarrier(&thisObject, value);
    ensureStillAliveHere(value);

    thisObject.wrapped().jsRef(&lexicalGlobalObject);

    return true;
}

JSC_DEFINE_CUSTOM_SETTER(setJSMessagePort_onmessageerror, (JSGlobalObject * lexicalGlobalObject, JSC::EncodedJSValue thisValue, JSC::EncodedJSValue encodedValue, PropertyName attributeName))
{
    return IDLAttribute<JSMessagePort>::set<setJSMessagePort_onmessageerrorSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_postMessage1Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    auto& impl = castedThis->wrapped();
    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
    auto message = convert<IDLAny>(*lexicalGlobalObject, argument0.value());
    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
    auto transfer = convert<IDLSequence<IDLObject>>(*lexicalGlobalObject, argument1.value());
    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.postMessage(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), WTFMove(message), WTFMove(transfer)); })));
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_postMessage2Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    auto& impl = castedThis->wrapped();
    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
    auto message = convert<IDLAny>(*lexicalGlobalObject, argument0.value());
    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
    EnsureStillAliveScope argument1 = callFrame->argument(1);
    auto options = convert<IDLDictionary<StructuredSerializeOptions>>(*lexicalGlobalObject, argument1.value());
    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.postMessage(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), WTFMove(message), WTFMove(options)); })));
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_postMessageOverloadDispatcher(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    size_t argsCount = std::min<size_t>(2, callFrame->argumentCount());
    if (argsCount == 1) {
        RELEASE_AND_RETURN(throwScope, (jsMessagePortPrototypeFunction_postMessage2Body(lexicalGlobalObject, callFrame, castedThis)));
    }
    if (argsCount == 2) {
        JSValue distinguishingArg = callFrame->uncheckedArgument(1);
        if (distinguishingArg.isUndefined())
            RELEASE_AND_RETURN(throwScope, (jsMessagePortPrototypeFunction_postMessage2Body(lexicalGlobalObject, callFrame, castedThis)));
        if (distinguishingArg.isUndefinedOrNull())
            RELEASE_AND_RETURN(throwScope, (jsMessagePortPrototypeFunction_postMessage2Body(lexicalGlobalObject, callFrame, castedThis)));
        {
            bool success = hasIteratorMethod(lexicalGlobalObject, distinguishingArg);
            RETURN_IF_EXCEPTION(throwScope, {});
            if (success)
                RELEASE_AND_RETURN(throwScope, (jsMessagePortPrototypeFunction_postMessage1Body(lexicalGlobalObject, callFrame, castedThis)));
        }
        if (distinguishingArg.isObject())
            RELEASE_AND_RETURN(throwScope, (jsMessagePortPrototypeFunction_postMessage2Body(lexicalGlobalObject, callFrame, castedThis)));
    }
    return argsCount < 1 ? throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)) : throwVMTypeError(lexicalGlobalObject, throwScope);
}

JSC_DEFINE_HOST_FUNCTION(jsMessagePortPrototypeFunction_postMessage, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
{
    return IDLOperation<JSMessagePort>::call<jsMessagePortPrototypeFunction_postMessageOverloadDispatcher>(*lexicalGlobalObject, *callFrame, "postMessage");
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_startBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    auto& impl = castedThis->wrapped();
    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.start(); })));
}

JSC_DEFINE_HOST_FUNCTION(jsMessagePortPrototypeFunction_start, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
{
    return IDLOperation<JSMessagePort>::call<jsMessagePortPrototypeFunction_startBody>(*lexicalGlobalObject, *callFrame, "start");
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_closeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    auto& impl = castedThis->wrapped();
    impl.jsUnref(lexicalGlobalObject);
    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.close(); })));
}

JSC_DEFINE_HOST_FUNCTION(jsMessagePortPrototypeFunction_close, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
{
    return IDLOperation<JSMessagePort>::call<jsMessagePortPrototypeFunction_closeBody>(*lexicalGlobalObject, *callFrame, "close");
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_refBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    auto& impl = castedThis->wrapped();
    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.jsRef(lexicalGlobalObject); })));
}

JSC_DEFINE_HOST_FUNCTION(jsMessagePortPrototypeFunction_ref, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
{
    return IDLOperation<JSMessagePort>::call<jsMessagePortPrototypeFunction_refBody>(*lexicalGlobalObject, *callFrame, "ref");
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_unrefBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    auto& impl = castedThis->wrapped();
    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.jsUnref(lexicalGlobalObject); })));
}

JSC_DEFINE_HOST_FUNCTION(jsMessagePortPrototypeFunction_unref, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
{
    return IDLOperation<JSMessagePort>::call<jsMessagePortPrototypeFunction_unrefBody>(*lexicalGlobalObject, *callFrame, "unref");
}

static inline JSC::EncodedJSValue jsMessagePortPrototypeFunction_hasRefBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessagePort>::ClassParameter castedThis)
{
    auto& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    UNUSED_PARAM(throwScope);
    UNUSED_PARAM(callFrame);
    auto& impl = castedThis->wrapped();
    return JSValue::encode(jsBoolean(impl.jsHasRef()));
}

JSC_DEFINE_HOST_FUNCTION(jsMessagePortPrototypeFunction_hasRef, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
{
    return IDLOperation<JSMessagePort>::call<jsMessagePortPrototypeFunction_hasRefBody>(*lexicalGlobalObject, *callFrame, "hasRef");
}

JSC::GCClient::IsoSubspace* JSMessagePort::subspaceForImpl(JSC::VM& vm)
{
    return WebCore::subspaceForImpl<JSMessagePort, UseCustomHeapCellType::No>(
        vm,
        [](auto& spaces) { return spaces.m_clientSubspaceForMessagePort.get(); },
        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForMessagePort = std::forward<decltype(space)>(space); },
        [](auto& spaces) { return spaces.m_subspaceForMessagePort.get(); },
        [](auto& spaces, auto&& space) { spaces.m_subspaceForMessagePort = std::forward<decltype(space)>(space); });
}

template<typename Visitor>
void JSMessagePort::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
    auto* thisObject = jsCast<JSMessagePort*>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Base::visitChildren(thisObject, visitor);
    thisObject->visitAdditionalChildren(visitor);
}

DEFINE_VISIT_CHILDREN(JSMessagePort);

template<typename Visitor>
void JSMessagePort::visitOutputConstraints(JSCell* cell, Visitor& visitor)
{
    auto* thisObject = jsCast<JSMessagePort*>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Base::visitOutputConstraints(thisObject, visitor);
    thisObject->visitAdditionalChildren(visitor);
}

template void JSMessagePort::visitOutputConstraints(JSCell*, AbstractSlotVisitor&);
template void JSMessagePort::visitOutputConstraints(JSCell*, SlotVisitor&);
void JSMessagePort::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
{
    auto* thisObject = jsCast<JSMessagePort*>(cell);
    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
    if (thisObject->scriptExecutionContext())
        analyzer.setLabelForCell(cell, "url "_s + thisObject->scriptExecutionContext()->url().string());
    Base::analyzeHeap(cell, analyzer);
}

bool JSMessagePortOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
{
    auto* jsMessagePort = jsCast<JSMessagePort*>(handle.slot()->asCell());
    auto& wrapped = jsMessagePort->wrapped();
    if (wrapped.hasPendingActivity()) {
        if (UNLIKELY(reason))
            *reason = "ActiveDOMObject with pending activity";
        return true;
    }
    MessagePort* owner = &jsMessagePort->wrapped();
    if (UNLIKELY(reason))
        *reason = "Reachable from MessagePort";

    return visitor.containsOpaqueRoot(owner);
}

void JSMessagePortOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
    auto* jsMessagePort = static_cast<JSMessagePort*>(handle.slot()->asCell());
    auto& world = *static_cast<DOMWrapperWorld*>(context);
    uncacheWrapper(world, &jsMessagePort->wrapped(), jsMessagePort);
}

#if ENABLE(BINDING_INTEGRITY)
#if PLATFORM(WIN)
#pragma warning(disable : 4483)
extern "C" {
extern void (*const __identifier("??_7MessagePort@WebCore@@6B@")[])();
}
#else
extern "C" {
extern void* _ZTVN7WebCore11MessagePortE[];
}
#endif
#endif

JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<MessagePort>&& impl)
{

    if constexpr (std::is_polymorphic_v<MessagePort>) {
#if ENABLE(BINDING_INTEGRITY)
        const void* actualVTablePointer = getVTablePointer(impl.ptr());
#if PLATFORM(WIN)
        void* expectedVTablePointer = __identifier("??_7MessagePort@WebCore@@6B@");
#else
        void* expectedVTablePointer = &_ZTVN7WebCore11MessagePortE[2];
#endif

        // If you hit this assertion you either have a use after free bug, or
        // MessagePort has subclasses. If MessagePort has subclasses that get passed
        // to toJS() we currently require MessagePort you to opt out of binding hardening
        // by adding the SkipVTableValidation attribute to the interface IDL definition
        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
#endif
    }
    return createWrapper<MessagePort>(globalObject, WTFMove(impl));
}

JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, MessagePort& impl)
{
    return wrap(lexicalGlobalObject, globalObject, impl);
}

MessagePort* JSMessagePort::toWrapped(JSC::VM&, JSC::JSValue value)
{
    if (auto* wrapper = jsDynamicCast<JSMessagePort*>(value))
        return &wrapper->wrapped();
    return nullptr;
}

}
